Skip to content
Nonprofit screen
Screen a list

Foundation for San Mateo County Libraries

EIN 83-1472500San Mateo, CACommunity ImprovementLatest 990 FY2025

Can you give?

Listed with the IRS. Every screen came back clear.

A 501(c)(3) on Publication 78 and the IRS master file.

A paid feature, included from the $75 plan up. Sign in to download.Checked Oct 15, 2026, 12:57 PM ET
IRS listing
Listed
Revocation
None
IRS files
Agree
Sanctions
No match
IRS bulletin
No notice
California
Registered
Charity type
509(a)(1)

$799krevenue
FY2025 · +109% in 3 yrs
7 of 7years filed
’19’20’21’22’23’24’25
Revenue and spendingRevenueSpendingDeficit
$0$200k$400k$600k$800k’19’20’21’22’23’24’25
Against similar nonprofits FY2025
Operating margin87.7%
Months of reserve159.7mo
Revenue growth (annualized)+31.8%
Middle half of peersMedianFoundation for San Mateo County Libraries
Where the money goes FY2025 · $98k spent
Programs$71k73%Management and general$27k27%990 FY2025 · Part IX line 25